Re: Tracing query inside procedure without 10046
Date: Fri, 4 Aug 2023 15:52:29 +0530
Message-ID: <CAO8FHeU01ax6CU-BuvhpOxv_8V8VtuA=fhQXC7Gn1yF3C5OmDA_at_mail.gmail.com>
On Fri, 4 Aug, 2023, 02:12 Jonathan Lewis, <jlewisoracle_at_gmail.com> wrote:
>
> From what you're saying it seems you know that there is a procedure
> (embedded in another procedure) that executes SQL and you want access to
> the SQL text to test. Is there something stopping you from reading the
> source of the procedure?
>
> Regards
> Jonathan Lewis
>
>
> On Tue, 1 Aug 2023 at 18:52, Krishnaprasad Yadav <chrishna0007_at_gmail.com>
> wrote:
>
>> Hi Jonathan ,
>>
>> Currently I was trying to figure out queries involved in
>> procedure.subprocedure .
>>
>> So , actually one of the JOB(kind of Day end job ) of customer was
>> running slow , so my intention was to get sql's from the procedure for
>> evaluating their performance (just to rule out kind of plan change) , now
>> in this case procedure which was taking time was part of other procedure ,
>> so i tried to get details from ashrpti.sql but output was of same
>> procedure name (i.e sqlid/statement was showing the same name i.e
>> proc.subproc) which i was passing input for ashrpti , since it runs in
>> night time , it went unnoticed by application team and post completion of
>> job , team realize execution time is increased and hence , 10046 was out
>> from the option .
>> Hence was trying to figure out any option by which we can get sql's
>> details related to subprocedure
>>
>> Regards,
>> Krishna
>>
>>
>>
>>
>>
>> On Tue, 1 Aug 2023 at 22:49, Jonathan Lewis <jlewisoracle_at_gmail.com>
>> wrote:
>>
>>>
>>> David,
>>>
>>> I think there was a time when the line numbers reported by hprof didn't
>>> agree with the line numbers reported by user_source because of pl/sql
>>> optimization moving lines around (constant folding, moving assigments out
>>> of loops etc.) Have you come across that problem at all in recent versions.
>>>
>>> Regards
>>> Jonathan Lewis
>>>
>>>
>>>
>>>
>>> On Tue, 1 Aug 2023 at 11:19, David Kurtz <info_at_go-faster.co.uk> wrote:
>>>
>>>> The hierarchical profiler will link PL/SQL line number to Sqlid, and
>>>> profile time.
>>>> You can join it to ASH data to profile DB time, including profile by
>>>> line in the execution plan
>>>>
>>>> See also
>>>>
>>>> https://blog.go-faster.co.uk/2023/04/investigating-unfamiliar-plsql-with.html
>>>>
>>>> https://www.go-faster.co.uk/p/tuning-with-plsql-performance-profiler.html
>>>>
>>>>
>>>>
>>>>
>>>> David Kurtz
>>>> Go-Faster Consultancy
>>>> www.go-faster.co.uk
>>>> Tel: +44 7771 760660
>>>> (sent from a mobile device, typos and brevity to be expected)
>>>>
>>>> On Tue, 1 Aug 2023, 08:48 Krishnaprasad Yadav, <chrishna0007_at_gmail.com>
>>>> wrote:
>>>>
>>>>> Hi Stefan,
>>>>>
>>>>> I am looking for live as well as post-problem analysis . I have never
>>>>> used DBMS_HPROF , but I am exploring this. Thanks for letting me know about
>>>>> this !! , but using this, does it generate any additional load in a
>>>>> highly concurrent system .
>>>>>
>>>>> For post-problem any further way to take up .
>>>>>
>>>>> Regards,
>>>>> Krishna
>>>>>
>>>>>
>>>>> On Tue, 1 Aug 2023 at 13:02, Stefan Koehler <contact_at_soocs.de> wrote:
>>>>>
>>>>>> Hello Krishna,
>>>>>> are you talking about live analysis or about post-problem analysis?
>>>>>>
>>>>>> If you mean live, you can also use the PL/SQL hierarchical profiler
>>>>>> (DBMS_HPROF). It will show you exactly how much time is spent in your
>>>>>> PL/SQL code or with SQL execution.
>>>>>>
>>>>>> Best Regards
>>>>>> Stefan Koehler
>>>>>>
>>>>>> Independent Oracle performance consultant and researcher
>>>>>> Website: www.soocs.de
>>>>>> Twitter: _at_OracleSK
>>>>>>
>>>>>> > Krishnaprasad Yadav <chrishna0007_at_gmail.com> hat am 01.08.2023
>>>>>> 07:25 CEST geschrieben:
>>>>>> >
>>>>>> > Dear Gurus,
>>>>>> >
>>>>>> > currently working on slowness issue of procedure which is part of
>>>>>> procedure
>>>>>> > like : proc_name.subproc_name , over here i need to figure out the
>>>>>> query related to subproc_name and not by using 10046 trace .
>>>>>> > I tried ashrpti.sql and used pls_object_entry but I didn't get any
>>>>>> values in the report .
>>>>>> > Is there any way to figure out queries related to such subproc_name
>>>>>> also tried from dba_hist* views too by providing top_sql /pls_object
>>>>>> values but no luck .
>>>>>> >
>>>>>> > Currently in my situation trace was taken (10046) and from
>>>>>> procedure verified queries and by recommendation on it . but it was
>>>>>> challenging to figure out queries without tracing.
>>>>>> >
>>>>>> > It would be great help if you provide any light on it .
>>>>>> >
>>>>>> > Regards,
>>>>>> > Krishna
>>>>>>
>>>>>
-- http://www.freelists.org/webpage/oracle-lReceived on Fri Aug 04 2023 - 12:22:29 CEST